Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NNU4956B/SPW33 |
| Bearing Type | Cylindrical Roller Bearing |
| Number of Rows | Double Row |
| Inner Diameter | 280 mm |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Gross Weight Per Unit | 0.250 kg |
| Selling Units | Single Item |
| Package Size | 45.00cm × 45.00cm × 45.00cm |
| Package Gross Weight | 0.300 kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | High-precision rotating equipment, heavy-duty gearboxes |
| Manufacturing | CNC machine tools, precision processing lines |
| Power Transmission | Large-scale motor assemblies, high-speed drive systems |
Need a High-Precision NNU4956B/SPW33 SKF Bearing? Here’s What You Should Know
Finding the right double row cylindrical roller bearing for high-precision industrial applications can be challenging. Mismatched dimensions lead to installation delays, while substandard materials cause premature wear—costing time and money in equipment downtime. With SKF’s reputation for reliability, the NNU4956B/SPW33 bearing addresses these common pain points, but ensuring authentic quality and timely delivery remains critical for your operations.
Engineered for Demanding High-Precision Environments
The NNU4956B/SPW33 SKF cylindrical roller bearing is designed to deliver consistent performance in harsh industrial conditions. As a professional bearing distributor with 15+ years of experience, we ensure direct supply from SKF factories, eliminating the risk of counterfeit products. Its double row structure provides enhanced radial load capacity, making it ideal for high-speed rotating machinery in sectors like manufacturing and power transmission where precision cannot be compromised.
Optimal Performance in Critical Operating Conditions
This high-precision industrial bearing excels in applications requiring tight tolerances and stable operation under heavy loads. With an inner diameter of 280 mm, it accommodates large shaft sizes common in industrial gearboxes and machine tool spindles. The open seal design allows for custom lubrication solutions, adapting to specific operating temperatures and contamination levels—ensuring reliable performance even in challenging environments.
Key Engineering Features That Enhance Reliability
The NNU4956B/SPW33 bearing’s cylindrical roller design minimizes friction, reducing heat generation during high-speed rotation. Its double row configuration distributes radial loads evenly across the bearing surface, extending service life by preventing uneven wear. SKF’s precision manufacturing ensures consistent dimensional accuracy, critical for interchangeability in maintenance scenarios where equipment downtime must be minimized. The robust construction also supports misalignment tolerance, accommodating minor shaft deflections without compromising performance.
Why Choosing the Right Bearing Lowers Total Costs
Investing in a genuine SKF high-precision bearing like the NNU4956B/SPW33 reduces long-term operational costs. Inferior bearings often fail prematurely, leading to unplanned shutdowns, replacement expenses, and potential damage to adjacent components. This double row cylindrical roller bearing’s durable construction and strict quality control align with ISO standards, ensuring predictable performance and reducing maintenance intervals. By prioritizing reliability over initial cost savings, you protect your equipment investment and maintain productivity.
Quality Assurance You Can Trust
Our NNU4956B/SPW33 bearings undergo rigorous quality inspection before delivery, including precision testing for dimensional accuracy and material integrity. As an authorized SKF distributor, we provide complete batch traceability, ensuring every product meets SKF’s strict standards. We offer comprehensive after-sales support, including technical guidance and warranty coverage for manufacturing defects. With sufficient inventory, we can fulfill urgent orders within 48 hours, minimizing your production delays.
Packaging & Shipping
- Standard industrial packaging in 45.00cm × 45.00cm × 45.00cm cartons, ensuring product protection during transit
- Expedited shipping available for urgent requirements, with delivery within 48 hours for in-stock items
- Flexible logistics options including express courier, air freight, and sea shipping to global destinations
- Low minimum order quantity supported, accommodating both small-scale maintenance and large-volume production needs
Get Your NNU4956B/SPW33 Bearing Quote Today
Whether you need a single NNU4956B/SPW33 bearing or bulk quantities, we provide competitive factory-direct pricing. Contact us with your specific requirements, including quantity and delivery location, and our technical team will confirm availability and provide a tailored quote. The sooner you order, the sooner we can arrange shipment to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a full range of industrial bearings from international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese manufacturers. We can source specific models as per your requirements.
Q: How can I confirm if the NNU4956B/SPW33 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will cross-verify compatibility with SKF’s specifications to ensure proper fit.
Q: What warranty coverage do you offer for SKF bearings?
A: We provide a warranty against manufacturing defects. The specific terms depend on the product type and application, with details outlined in our sales contract. Defective products will be replaced or refunded per warranty guidelines.
Q: What is the minimum order quantity for this bearing?
A: We accept orders for single units, making it convenient for maintenance needs. For bulk purchases, we offer preferential pricing based on quantity.
Q: How long does shipping take to [my location]?
A: In-stock items ship within 48 hours. Transit time depends on your location: typically 3-5 days for express courier, 5-7 days for air freight, and 25-35 days for sea shipping.
Q: Can you provide custom packaging or labeling for this bearing?
A: Yes, we offer customized services including special packaging, laser marking, and technical document translation to meet your specific requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
